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7.6 Turbulent Flow in a Pipe Example 7.18: Estimate the flow rate in the simple piping system shown in the figure. The pump characteristic curves are as shown. Also, find the pump power...
Example of Pipe Sizing The figure shows a closed piping system to supply chilled water to two hea...
Example of Pipe Sizing The figure shows a closed piping system to supply chilled water to two heat exchangers. Size the pipe for this system, assuming schedule-40 steel pipe is used with threaded (screwed) fitting. Determine the pump flow rate and head requirements. Distances are as shown in feet. Head losses through the heat exchangers and chiller are shown as provided by the manufacturers. Q(gpm) Head Loss (ft) 70 Unit Chiller Heat Exchanger (a) 30 Heat Exchanger (b) 40 12...
A 38-in pump is installed for the system below. The pipe (100- cm diameter) has a...
A 38-in pump is installed for the system below. The pipe (100- cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that K = 0.5 (pipe entrance) and K. = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in grm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Kε = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
Please show detailed work and write clearly.Thank you. A chilled-water system requires a 100 gal/min pump with 40 ftWG of head. Select the most appropriate pump from the pump curves in the figure bel...
Please show detailed work and write clearly.Thank you.
A chilled-water system requires a 100 gal/min pump with 40 ftWG of head. Select the most appropriate pump from the pump curves in the figure below. State the efficiency, motor power input, impeller size, and NPSH requirement for your selection. Note that the pump may not be a precise match to the specified flow condition Capacity (L/s) 10 12 18 60% 40% 50%: 55%,65% о, 68% 67% 7" 1750 50 68% 12...
The figure below shows a condenser/cooling tower pipe system needed to remove heat from a water...
The figure below shows a condenser/cooling tower pipe system needed to remove heat from a water cooled refrigeration condenser and reject the heat to the atmosphere. The amount of heat to be rejected to the atmosphere is 480,000 Btu/hr. The water enters the condenser at 85"F, and the temperature rise of the water through the condenser is 10°F. The total length of the piping in the system is 60 ft. Fittings are as shown. Assume bends to be as shown...
Problem 4 (60%) Consider the flow of water through the circuit shown in the figure, moving...
Problem 4 (60%) Consider the flow of water through the circuit shown in the figure, moving water from reservoir A to reservoir B. The pipe is made of copper tubing with an inside diameter of 12 mm. For water take p = 1000- do me and v = 1.14 x 10-6 . Assume that a = 1 everywhere. Elevation 2775 m Z2 Reservoir B Elevation 21 = 1 m Pipe entrance r/d = 0 90° smooth bends, r/d=1 Angle valve...
Problem Statement 1 The pump in the system shown below is used to transport water from...
Problem Statement 1 The pump in the system shown below is used to transport water from reservoir A to and discharge it to the open atmosphere at point B. The elevation difference between the two reservoirs is Az, and the piping has a 2000 ft length of 16-in diameter. The flow is fully turbulent with kinetic energy correction factor = 1.1 and the Darcy-Weisbach friction factor f = 0.0002. The minor losses in the system are negligible and can be...
Example of Pipe Sizing The figure shows a closed piping system to supply chilled water to two heat exchangers. Size the pipe for this system, assuming schedule-40 steel pipe is used with threaded (screwed) fitting. Determine the pump flow rate and head requirements. Distances are as shown in feet. Head losses through the heat exchangers and chiller are shown as provided by the manufacturers. Q(gpm) Head Loss (ft) 70 Unit Chiller Heat Exchanger (a) 30 Heat Exchanger (b) 40 12...
A 38-in pump is installed for the system below. The pipe (100- cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that K = 0.5 (pipe entrance) and K. = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in grm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Ke = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required (in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
A 38-in pump is installed for the system below. The pipe (100-cm diameter) has a friction factor of 0.012 and a total length of 20 km. Given that Ke = 0.5 (pipe entrance) and Kε = 1.0 (pipe exit). For water at 80 degrees Fahrenheit, estimate the flow rate (in gpm), the power required in horsepower, HP), and the net positive suction head required (in ft) to avoid cavitation for the system when the pump running. Elevation = 180 m...
Please show detailed work and write clearly.Thank you.
A chilled-water system requires a 100 gal/min pump with 40 ftWG of head. Select the most appropriate pump from the pump curves in the figure below. State the efficiency, motor power input, impeller size, and NPSH requirement for your selection. Note that the pump may not be a precise match to the specified flow condition Capacity (L/s) 10 12 18 60% 40% 50%: 55%,65% о, 68% 67% 7" 1750 50 68% 12...
The figure below shows a condenser/cooling tower pipe system needed to remove heat from a water cooled refrigeration condenser and reject the heat to the atmosphere. The amount of heat to be rejected to the atmosphere is 480,000 Btu/hr. The water enters the condenser at 85"F, and the temperature rise of the water through the condenser is 10°F. The total length of the piping in the system is 60 ft. Fittings are as shown. Assume bends to be as shown...
Problem 4 (60%) Consider the flow of water through the circuit shown in the figure, moving water from reservoir A to reservoir B. The pipe is made of copper tubing with an inside diameter of 12 mm. For water take p = 1000- do me and v = 1.14 x 10-6 . Assume that a = 1 everywhere. Elevation 2775 m Z2 Reservoir B Elevation 21 = 1 m Pipe entrance r/d = 0 90° smooth bends, r/d=1 Angle valve...
Problem Statement 1 The pump in the system shown below is used to transport water from reservoir A to and discharge it to the open atmosphere at point B. The elevation difference between the two reservoirs is Az, and the piping has a 2000 ft length of 16-in diameter. The flow is fully turbulent with kinetic energy correction factor = 1.1 and the Darcy-Weisbach friction factor f = 0.0002. The minor losses in the system are negligible and can be...
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